Function validate_sequence_lifecycle_target 

pub fn validate_sequence_lifecycle_target(
    catalog: &dyn SequenceLifecycleCatalog,
    source: &RelationIdentity,
    target: &RelationIdentity,
    persistence: RelationPersistence,
    lifecycle: &SequenceLifecycle,
) -> Result<bool, SQLError>

Validate the locked destination and report whether its name needs publication. Even an unchanged schema must first retain its namespace dependency and pass namespace-kind validation.